298139277901 has 2 divisors, whose sum is σ = 298139277902. Its totient is φ = 298139277900.

The previous prime is 298139277883. The next prime is 298139277913. The reversal of 298139277901 is 109772931892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213559515625 + 84579762276 = 462125^2 + 290826^2 .

It is a cyclic number.

It is not a de Polignac number, because 298139277901 - 2⁷ = 298139277773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298131277901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149069638950 + 149069638951.

It is an arithmetic number, because the mean of its divisors is an integer number (149069638951).

Almost surely, 2^298139277901 is an apocalyptic number.

It is an amenable number.

298139277901 is a deficient number, since it is larger than the sum of its proper divisors (1).

298139277901 is an equidigital number, since it uses as much as digits as its factorization.

298139277901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 58.

The spelling of 298139277901 in words is "two hundred ninety-eight billion, one hundred thirty-nine million, two hundred seventy-seven thousand, nine hundred one".